Abstract
The Intelligent Transportation Systems (ITS) consists of advanced communications, electronics, and information technologies to improve the efficiency, safety, and reliability of nationwide transportation systems. The core functions of the ITS are collection, management, and provision of real time transport information, and it can be deployed based on the Common Object Request Broker Architecture (CORBA) of the Object Management Group (OMG) because it consists of interconnected heterogeneous systems across national and local governments. Fault Tolerant CORBA (FT-CORBA) supports real time requirement of transport information through redundancy by replication of server objects. However, object replication, management, and related protocols of FT-CORBA require extra system CPU and memory resources, and can degrade the end-to-end predictability both locally and as a whole. This paper proposes an improved architecture to enhance fault tolerance, reliability, and ultimately predictability of FT-CORBA based ITS by generating and managing object replicas adaptively during system operation with an agent. The proposed architecture is expected to be applicable to other FT-CORBA based systems for an electronic government (e-government).
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Suh, W., Park, S., Lee, E. (2011). Fault Tolerant Intelligent Transportation Systems with an Agent. In: Kim, Th., Adeli, H., Robles, R.J., Balitanas, M. (eds) Advanced Computer Science and Information Technology. AST 2011. Communications in Computer and Information Science, vol 195. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-24267-0_3
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DOI: https://doi.org/10.1007/978-3-642-24267-0_3
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